diff --git a/addons/sale/sale.py b/addons/sale/sale.py
index 5bbd6d5d799..28248c8eee2 100644
--- a/addons/sale/sale.py
+++ b/addons/sale/sale.py
@@ -882,7 +882,7 @@ class sale_order_line(osv.osv):
                     \n* The \'Done\' state is set when the sale order line has been picked. \
                     \n* The \'Cancelled\' state is set when a user cancel the sale order related.'),
         'order_partner_id': fields.related('order_id', 'partner_id', type='many2one', relation='res.partner', string='Customer'),
-        'salesman_id':fields.related('order_id', 'user_id', type='many2one', relation='res.users', string='Salesman'),
+        'salesman_id':fields.related('order_id', 'user_id', type='many2one', relation='res.users', store=True, string='Salesman'),
         'company_id': fields.related('order_id', 'company_id', type='many2one', relation='res.company', string='Company', store=True, readonly=True, states={'draft': [('readonly', False)]}),
     }
     _order = 'sequence, id desc'